<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <title>Title</title>
</head>
<body>
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<form method="get" action="/loginSign">
    <label>用户名：</label>
    <input type="text" name="username" id="username"/><br/>
    <label>密码：</label>
    <input type="password" id="password" name="password"/><br/>
    <input type="submit" value="登录"/>
</form>
</body>
</html>